TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 10:00 PM EST
Polymarket
This market refers to the tennis match between Yuka Matsumoto and Mayuka Aikawa in the ITF Women Sapporo, originally scheduled for June 16, 2026 at 10:00PM ET. This market will resolve to 'Yuka Matsumoto' if Yuka Matsumoto advances against Mayuka Aikawa. This market will resolve to 'Mayuka Aikawa' if Mayuka Aikawa advances against Yuka Matsumoto. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Yuka Matsumoto and Mayuka Aikawa in the ITF Women Sapporo, originally scheduled for June 16, 2026 at 10:00PM ET. This market will resolve to 'Yuka Matsumoto' if Yuka Matsumoto advances against Mayuka Aikawa. This market will resolve to 'Mayuka Aikawa' if Mayuka Aikawa advances against Yuka Matsumoto. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and profit, while prediction markets like this one are driven by trader consensus—each participant risking real capital on their conviction. This market aggregates dispersed information from many traders, which can sometimes reveal edges that sportsbooks have not yet priced in. Comparing the two can highlight where public perception differs from professional oddsmaking, though both are valid pricing signals worth monitoring.
This market resolves around Jun 24, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—which player wins the ITF Sapporo event. Until that point, traders can continue to buy and sell shares as new developments emerge. Resolution is final once the event is officially recorded and the platform confirms the winning outcome.
Several catalysts could shift trader positioning before the match concludes. Recent tournament results, player rankings, and head-to-head records may influence early sentiment. Injury announcements, withdrawal news, or changes in player form leading up to the event could trigger sharp repricing. Court conditions, weather, and draw-related developments may also prompt traders to adjust their positions. Real-time match updates—set scores, momentum shifts, or tactical adjustments during play—typically drive the most dramatic price swings as traders react to unfolding action.